Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.28
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) -4.12 -0.375 1.54
Prot (kg) 0.28 -0.441 -0.12
Fertility Sub Index 7.60
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 2.44 1.117 2.73
Calving Sub Index 0.95
Gestation Length (days) -1.03 -0.919 0.95
Beef Sub Index -1.65
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 8.72

* Based on an €80/tonne carbon price